CVE-2021-47986

HIGH 7.5

Parse Server - Unreviewed Code Execution via Malicious Version Tags

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code.

CWE	CWE-494
Vendor	parse-community
Product	parse-server
Published	Jun 25, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

parse-community / parse-server

0 < 4.10.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/parse-community/parse-server/security/advisories/GHSA-593v-wcqx-hq2w vulncheck.com: https://www.vulncheck.com/advisories/parse-server-unreviewed-code-execution-via-malicious-version-tags